You're the one who is weak. You will never know love or friendship. And I feel sorry for you.

Be ruthless about protecting writing days, i.e., do not cave in to endless requests to have "essential" and "long overdue" meetings on those days.

When Filch wasn't guarding the scene of the crime, he was skulking red-eyed through the corridors, lunging out at unsuspecting students and trying to put them in detention for things like "breathing loudly" and "looking happy.

Your devotion is nothing more than cowardice. You would not be here if you had anywhere else to go.

Yes, well, principles are sometimes the problem, if you ask me,' said Miles. 'Often what's needed is a bit of common sense.' 'Which is the name people usually give to their prejudices,' rejoined Kay.

You have to kill a lot of trees before you write anything good.

Why had he never appreciated the miracle that he was, brain and nerve and bounding heart?